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Finding the Fourth Proportional to 100,574.02, 150,924.56 and 56,229.86

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Solution

The fourth proportional to 100,574.02, 150,924.56 and 56,229.86 is: 84,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,574.02 : 150,924.56 = 56,229.86 : x
  2. Step 2: Convert to fraction form
    100,574.02/150,924.56 = 56,229.86/x
  3. Step 3: Cross multiply
    100,574.02x = 150,924.56 × 56,229.86
  4. Step 4: Simplify right side
    100,574.02x = 8,486,466,879.36
  5. Step 5: Solve for x
    x = 8,486,466,879.36/100,574.02
  6. Step 6: Final answer
    x = 84,380.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.